The Quantity Which Does Not Change in Magnitude from That

question 30

Multiple Choice

The quantity which does not change in magnitude from that observed in system S when observed in system S' moving away from system S at speed v is

• A) m .
• B) m .
• C) (γ − 1)mc².
• D) E² − p²c².
• E) x² + y² + z².

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Definitions:

Hydrogen Chloride

A diatomic molecule composed of hydrogen and chlorine; when dissolved in water, it forms hydrochloric acid.

Lewis Structure

A representation of molecules showing how the valence electrons are arranged among atoms in the molecule.

Ethane

A colorless, odorless gas that is the second simplest alkane, consisting of two carbon atoms and six hydrogen atoms.

Double Bonds

Chemical bonds between two atoms involving four bonding electrons instead of the usual two, making the bond stronger and the structure more rigid.